Of course the most obvious explanation of all is that someone set up a domain redirect for the sole purpose of getting a front page on HN and Reddit. This domain seems to be very poorly ranked, yet here everyone is plugging it into their browsers and telling Google and everyone else how very important it is.
Your reply sounds irrelevant when multiple people on this thread have been able to replicate. It only happens on Safari and if you turn off Safari suggestions it stops. People have also been able to replicate it on macOS. So it’s obvious it’s coming from Safari suggestions. Feel free to test for yourself.
Of course the most obvious explanation of all is that someone set up a domain redirect for the sole purpose of getting a front page on HN and Reddit. This domain seems to be very poorly ranked, yet here everyone is plugging it into their browsers and telling Google and everyone else how very important it is.